scholarly journals Modelling molecular field effect transistor using non-equilibrium Green function method

2009 ◽  
Vol 187 ◽  
pp. 012087 ◽  
Author(s):  
Dinh Sy Hien ◽  
Huynh Hoang Trung
2012 ◽  
Vol 15 (3) ◽  
pp. 5-16
Author(s):  
Hien Sy Dinh

We have developed a simulator for nanoelectronics devices, NEMO-VN2. In this work, we provide an overview of spin field effect transistor. We use the simulator to explore the performance of spin FET. The model of the spin FET is based on non-equilibrium Green function method and implemented by using graphic user interface of Matlab. The current-voltage characteristics such as drain current-voltage, drain current-gate voltage ones are explored.


2013 ◽  
Vol 16 (3) ◽  
pp. 5-12
Author(s):  
Hien Sy Dinh

Graphene has been one of the most vigorously studied research materials. We have developed a program for simulation of graphene field effect transistor (GFET). In this work, we use the simulation program to explore the performance of graphene FET. The simple model of the graphene FET is based on non-equilibrium Green’s function method and first is implemented by using graphic user interface of Matlab. The current-voltage characteristics of the GFET and affects of channel materials, gate materials, size of graphene FET, temperature on the characteristics are explored.


2020 ◽  
Vol 20 (8) ◽  
pp. 4832-4838
Author(s):  
Ji-Hyun Hur

We have carried out a comprehensive parametric analysis on the potential performance of a graphene nanoribbon field effect transistor (GNRFET). We modeled the behavior of GNRFETs with nanometer width GNR channels to formulate a self-consistent, non-equilibrium Green’s function (NEGF) scheme in conjunction with the Poisson equation and allow the GNRFET to operate as a switch. Based on the results, we propose a metric to compete with current silicon CMOS highperformance (HP) or low-power (LP) devices, explaining that this can vary widely depending on the GNRFET structure parameters.


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